| Liberty Surplus Insurance Corporation | 0.01 | 1 | $67,213,533 |
| Great West Casualty Company | 0.02 | 1 | $45,518,699 |
| Cincinnati Insurance Company, the | 0.02 | 1 | $45,215,073 |
| Secura Insurance Company | 0.03 | 1 | $31,173,442 |
| Cincinnati Casualty Company, the | 0.03 | 1 | $29,517,258 |
| Fremont Insurance Company | 0.04 | 8 | $196,363,062 |
| United Services Automobile Association | 0.04 | 4 | $92,726,641 |
| Michigan Insurance Company | 0.04 | 2 | $52,392,012 |
| Auto Owners Insurance Company | 0.05 | 77 | $1,563,052,867 |
| Farm Bureau General Insurance Company of Michigan | 0.05 | 28 | $523,434,447 |
| Frankenmuth Insurance Company | 0.05 | 11 | $243,027,627 |
| Philadelphia Indemnity Insurance Company | 0.05 | 1 | $21,332,145 |
| National Union Fire Insurance Company of Pittsburgh, Pa. | 0.06 | 1 | $17,720,968 |
| Citizens Insurance Company of the Midwest | 0.07 | 45 | $641,309,231 |
| Pioneer State Mutual Insurance Company | 0.07 | 10 | $151,092,101 |
| Old Republic Insurance Company | 0.07 | 2 | $26,927,021 |
| Travelers Indemnity Company of Connecticut, the | 0.07 | 1 | $14,396,849 |
| Farm Bureau Mutual Insurance Company of Michigan | 0.08 | 7 | $89,301,311 |
| Westfield Insurance Company | 0.09 | 1 | $11,528,941 |
| National Fire Insurance Company of Hartford | 0.09 | 1 | $10,613,860 |
| State Farm Mutual Automobile Insurance Company | 0.10 | 201 | $2,006,059,385 |
| Hastings Insurance Company | 0.10 | 7 | $70,614,229 |
| Property and Casualty Insurance Company of Hartford | 0.10 | 1 | $10,139,365 |
| Progressive Michigan Insurance Company | 0.11 | 107 | $982,586,844 |
| Allstate Fire and Casualty Insurance Company | 0.11 | 47 | $423,432,261 |
| Meemic Insurance Company | 0.11 | 35 | $313,161,037 |
| USAA Casualty Insurance Company | 0.12 | 26 | $225,990,831 |
| Essentia Insurance Company | 0.12 | 4 | $34,559,755 |
| Horace Mann Property & Casualty Insurance Company | 0.12 | 2 | $16,292,317 |
| Amerisure Mutual Insurance Company | 0.12 | 1 | $8,561,477 |
| ACE American Insurance Company | 0.12 | 1 | $8,324,577 |
| Trumbull Insurance Company | 0.14 | 7 | $50,088,706 |
| Amica Mutual Insurance Company | 0.14 | 2 | $13,857,248 |
| Memberselect Insurance Company | 0.15 | 153 | $992,161,351 |
| Truck Insurance Exchange | 0.15 | 8 | $54,446,184 |
| Amerisure Insurance Company | 0.15 | 1 | $6,605,830 |
| MIC General Insurance Corporation | 0.15 | 1 | $6,586,979 |
| Wolverine Insurance Company | 0.16 | 3 | $18,403,487 |
| Allstate Property and Casualty Insurance Company | 0.17 | 15 | $89,738,731 |
| Esurance Property and Casualty Insurance Company | 0.17 | 13 | $74,466,362 |
| Travelers Indemnity Company of America, the | 0.17 | 1 | $6,039,451 |
| Motorists Commercial Mutual Insurance Company | 0.17 | 1 | $5,905,113 |
| Sentry Insurance Company | 0.18 | 2 | $10,820,281 |
| Progressive Marathon Insurance Company | 0.19 | 294 | $1,588,737,596 |
| Safeco Insurance Company of Illinois | 0.19 | 7 | $36,403,113 |
| Auto Club Group Insurance Company | 0.20 | 33 | $162,519,007 |
| Michigan Automobile Insurance Placement Facility | 0.20 | 3 | $15,317,115 |
| American Select Insurance Company | 0.21 | 6 | $28,635,450 |
| American Economy Insurance Company | 0.23 | 25 | $109,621,416 |
| State Automobile Mutual Insurance Company | 0.25 | 2 | $7,934,534 |
| AmGUARD Insurance Company | 0.25 | 1 | $4,050,915 |
| LM Insurance Corporation | 0.25 | 1 | $3,955,571 |
| Farmers Group Property and Casualty Insurance Company | 0.26 | 10 | $37,851,711 |
| American Modern Property and Casualty Insurance Company | 0.28 | 1 | $3,624,011 |
| GEICO Indemnity Company | 0.29 | 15 | $50,861,304 |
| National General Insurance Company | 0.30 | 16 | $53,898,624 |
| Liberty Mutual Fire Insurance Company | 0.30 | 4 | $13,540,636 |
| Farmers Insurance Exchange | 0.32 | 24 | $75,240,474 |
| Government Employees Insurance Company | 0.33 | 25 | $75,360,130 |
| LM General Insurance Company | 0.33 | 17 | $50,947,482 |
| United States Fire Insurance Company | 0.33 | 2 | $6,074,745 |
| American Family Connect Property and Casualty Insurance Company | 0.34 | 5 | $14,802,003 |
| GEICO General Insurance Company | 0.34 | 5 | $14,613,697 |
| Bristol West Preferred Insurance Company | 0.37 | 36 | $96,987,824 |
| Liberty Mutual Insurance Company | 0.37 | 1 | $2,733,641 |
| Liberty Mutual Personal Insurance Company | 0.38 | 59 | $155,888,554 |
| USA Underwriters Insurance Company | 0.38 | 15 | $39,230,558 |
| Grange Insurance Company of Michigan | 0.40 | 4 | $9,908,233 |
| Indemnity Insurance Company of North America | 0.41 | 1 | $2,421,768 |
| Titan Insurance Company | 0.43 | 16 | $37,269,505 |
| Harleysville Insurance Company | 0.45 | 1 | $2,218,910 |
| Hartford Insurance Company of the Southeast | 0.65 | 12 | $18,470,626 |
| Home-Owners Insurance Company | 0.86 | 10 | $11,611,546 |
| Vanliner Insurance Company | 0.87 | 1 | $1,146,989 |
| Auto Club Insurance Association | 0.95 | 17 | $17,881,372 |
| Everest National Insurance Company | 1.10 | 4 | $3,647,630 |
| Allstate Insurance Company | 1.14 | 12 | $10,522,642 |
| Farmers Direct Property and Casualty Insurance Company | 1.19 | 2 | $1,679,697 |
| Integon National Insurance Company | 1.20 | 9 | $7,493,202 |
| Citizens United Reciprocal Exchange | 1.99 | 223 | $112,056,325 |
| State Farm Fire and Casualty Company | 3.84 | 8 | $2,081,441 |
| Berkshire Hathaway Direct Insurance Company | 4.73 | 5 | $1,058,115 |